Theory

CH8 - ELECTRICITY

(a) A coil of wire is connected into a circuit containing a variable resistor and a battery. The variable resistor is adjusted until the potential dif...

2010 Summer

2

Theory

CH8 - ELECTRICITY

(a) In Fig. 10.1, A is a 1000Ω resistor, C is a transistor, and D is a lamp. S is a 9V supply. (i) Name the component labelle...

2011 Winter

3

Theory

CH8 - ELECTRICITY

The graphs in Fig. 9.1 show the relation between the current $I$ and the potential difference $V$ for a resistor and a lamp.(a) (i) Describe how, if a...

2011 Winter

2

Theory

CH8 - ELECTRICITY

Which symbols are used for the units of current and of resistance?[Table_1]unit of current | unit of resistanceA | A | WB | A | \(\Omega\)C | C | WD |...

2011 Winter

2

Theory

CH8 - ELECTRICITY

The diagrams show four arrangements of resistors.Which arrangement has the smallest total resistance?A: [Image_A with 4Ω icon]B: [Image_B with 2Ω an...

2011 Winter

3

Theory

CH8 - ELECTRICITY

Which particle does not experience a force due to an electric field?A. \( \alpha \)-particleB. electronC. neutronD. proton

2009 Summer

2

Theory

CH8 - ELECTRICITY

The diagram shows an electric circuit containing three meters, X, Y and Z, all connected correctly. What are meters X, Y and Z?[Table_1]XYZAammeteramm...

2011 Winter

3

Theory

CH8 - ELECTRICITY

Using the circuit shown, the current $I$ is found for various voltages $V$. The temperature of the resistor does not change. [Image_1: Circuit Diagram...

2009 Summer

2

Theory

CH8 - ELECTRICITY

A potential difference (p.d.) across a resistor causes a current in it. [Image_1: Diagram of resistor with arrow indicating current and p.d.]The p.d. ...

2010 Winter

2

Theory

CH8 - ELECTRICITY

The diagram shows a potential divider circuit with two identical lamps L1 and L2.The contact K is halfway between X and Y and the lamps are equally br...

2011 Winter

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

1

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer